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yene/gist:743465

Created December 16, 2010 14:43
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gistfile1.txt
dispatch_queue_t queue = dispatch_queue_create(“com.app.task”,NULL)
dispatch_queue_t main = dispatch_get_main_queue();
dispatch_async(queue,^{
CGFLoat num = [self doSomeMassiveComputation];
dispatch_async(main,^{
[self updateUIWithNumber:num];
});
});
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